Addendum #3.pdf

ADDENDUM NO. 003 – 1 8.3.2026

UB Project No. 2022 - 109

BEB 3rd Floor Classroom renovation project

The following additions, deletions, and/or changes or clarifications to the drawings, specification, and bidding documents for this project, shall become and are hereby made part of the

Contract Documents. They change the original documents only in the manner and to the extent stated. Each bidder shall acknowledge receipt of this Addendum in the appropriate location on the bid proposal form.

General:

ADD: Specification Section 115313 – Laboratory Fume Hoods

ADD: Sketch PSK-1 ( refer to sheet P101)

ADD: Sketch PSK-2 (refer to sheet P102)

1. The drawings provided show a large scope of work that seems to go beyond providing and installing scientific casework and equipment. Below is the scope that Nickerson would be providing, can you please confirm if this captures the full scope:

• Elevation 2/A211 - Furnish and install base cabinets, wall cabinets and countertops as shown

• Elevation 3/A211 - Furnish and install base cabinets and countertops as shown

• Elevation 4/A211 - Furnish and install base cabinets and countertops as shown

• Elevation 10/A211 - Furnish and install base cabinets, wall cabinets and countertops as shown

• Elevation 15/A211 - Furnish and install base cabinets, wall cabinets and countertops as shown

• Elevation 1/A212 - Furnish and install base cabinets, tall cabinets, wall cabinets and countertops as shown

• Elevation 3/A212 - Furnish and install fume hood as shown

• Elevation 4/A212 - Furnish and install base cabinets, tall cabinets and countertops as shown

• Elevation 5/A212 - Furnish and install wall mounted countertops as shown

• Elevation 6/A212 - Furnish and install base cabinets, tall cabinets, wall cabinets and countertops as shown

• Elevation 7/A212 - Furnish and install base cabinets, wall cabinets and countertops as shown

• Elevation 10/A212 - Furnish and install base cabinet and countertops as shown

• Student lab stations at room 357 per elevations 12-17/A212

• Furnish and install (6) snorkels

Response: All items are included in the scope of this bid

2. Windowsill Scope: The solid surface specification only references solid surface windowsills, while the drawings also show brake-metal windowsills in multiple locations. Please confirm if windowsills are included in this contract and if material is to be solid surface or aluminum brake metal.

Response: This is not the scope of work for this bid

3. Windowsill Scope: Windowsill detail 2/A501 shows the brake metal windowsill being installed directly to the 2-1/2" metal stud framing with 5/8" GWB installed over the bottom lip of the window-sill. Who is responsible for installing the 5/8" GWB?

Response: This is not the scope of work for this bid, finishing & GWB work is being completed by SFE carpenters

4. Fume Hood Requirements: The IFB indicates one fume hood is included in the project scope;

however, no manufacturer has been specified. Can you please provide a specification?

5. Elevation 3/A212 seems to show (2) base cabinets under the fume hood. Are these to be standard (2) door cabinets or is the intent for these to be Flammable/Acid storage cabinets?

6. Can you confirm that the fume hood blower motor and duct work will be by others?

Response: Clarification of the fume hood is provided in this addendum; a basis of design and specification have been provided. All duct work will be installed by SFE mechanical contractor, hookups will be installed by vendor in this bid.

7. Snorkel Requirements: Can you confirm that the snorkel blower motor and duct work will be by others?

Response: Snorkel blower motor (if applicable) and duct work are to be installed by

SFE mechanical contractor.

8. Markerboard scope: Can you confirm that markerboards are not included in this scope?

Response: Markerboards are not included in the scope of work for this bid.

9. Projection screen scope: Can you confirm that projection screens are not included in this scope?

Response: They are not included in the scope of work for this bid.

10. Epoxy Base Scope: Can you confirm that Epoxy Base (EPY-2) is not included in this scope?

Response: They are not included in the scope of work for this bid

11. Epoxy Wall Scope: Can you confirm that Epoxy Wall (EPY-1) is not included in this scope?

12. Outlet Scope: Can you confirm that wall mounted electrical outlets are not included in this scope?

Response: They are not included in the scope of work for this bid

13. FE Cabinets/Signage Scope: Can you confirm that fire extinguisher cabinets and associated signage are not included in this scope?

Response: They are not included in the scope of work for this bid

14. Tackboards scope: Can you confirm that acoustical tackboards (AN-01) are not included in this scope?

Response: They are not included in the scope of work for this bid

15. Coat Hooks scope: Can you confirm that coat hooks (AN-02) are not included in this scope?

Response: They are not included in the scope of work for this bid

16. Loose furniture: Can you confirm that all loose furniture (tables and chairs) are not included in this scope?

Response: They are not included in the scope of work for this bid

17. Can you confirm that "owner provided equipment" will be installed by owner?

Response: Yes, this will be installed by UB.

18. Can you confirm that installation of the "existing shelf from Parker Hall 233" is not included in this scope?

Response: Yes, this will be relocated by UB.

19. Can you confirm that installation of the "flammable cabinet from Parker Hall 13" is not included in this scope?

Response: Yes, this will be relocated by UB.

20. Can you confirm that all electrical work is not included in this scope?

Response: Electrical work will be handled by SFE electrical, all conduit will installed and ready for vendor work

21. Can you confirm that all plumbing work is not included in this scope?

Response: Plumbing work will be done by SFE plumber contractors.

Scope will include faucets, turrets but will be installed by contractor.

22. Can you confirm that all mechanical work is not included in this scope?

Response: Scope will include hookups for the fume hod and snorkels. Work will be coordinated with our mechanical teams from UB trades and SFE contractors when installation is occurring. All duct runs and gas lines will be ready for hookups at the time of install.

23. Can you confirm that any wall framing/spackling/finishing is not included in this scope?

24. Can you confirm that spray fire-proofing is not included in this scope?

Response: They are not included in the scope of work for this bid

25. Finish and color selections: Can you confirm that only standard color selections are required?

Response: Colors are as indicated on interior elevations and finish drawings. For equipment color will be selected during the submittal process.

26. Can you confirm that the ceiling at room 357 will be open to the structure above and that all finished ceiling work is by others?

Response: For installation the ceilings will remain open and ready for above ceiling work required for the equipment. Installations are to be coordinated with UB trades/skills of south campus and SFE contractors.

27. Metal Casework: The specifications and elevations note the base and tall cabinet depth as 24" which is the industry standard depth for wood cabinets. The industry standard depth for metal cabinets is 22". Providing 24" deep metal cabinets is possible but will increase price and lead time significantly. Can you confirm if 24" depth cabinets are required or if industry standard, 22" deep cabinets are acceptable? Please confirm countertop depth too. These can still be 25" deep as shown on the drawings.

Response: Metal Casework spec is attached as part of the addendum.

22” standard depth of cabinets for science casework is acceptable with 24” countertop depth with 1” overhang

University at Buffalo

Biomedical Education Building (BEB) Renovate Science Teaching Labs

UB Project No: 2022-109

LABORATORY FUME HOODS 115313 - 1

SECTION 115313 – Laboratory Fume Hoods

PART 1 - GENERAL

Summary:

This Specification identifies the minimum material and construction standards that are required to deliver a quality installation of laboratory fume hoods. Fume hoods shall be supplied in accordance with the requirements of this Specification. The fume hoods identified in this Specification shall include the miscellaneous metal panels and other related components as identified on the Drawings and that are nec-essary for the complete installation.

Hoods shall function as ventilated, enclosed workspaces, designed to capture, confine and exhaust fumes, vapours and particulate matter produced or generated within the enclosure.

1.1 SECTION INCLUDES

A. Laboratory Fume Hoods

1.2 RELATED SECTIONS

A. Division 09 Section 65 13.33, “Resilient Accessories”

B. Division 12 Section 35 53, “Metal Laboratory Casework

C. Division 22 Section 40 00, “Plumbing Fixtures”

D. Division 23 Section 31 13, “Metal Ducts”

E. Division 26 Section 05 00, “Common Work Results for Electrical”

F. Related Work To Be Performed By Others:

1. Final installation of all plumbing, service and electrical fixtures attached to fume hood or countertop (excluding piping and wiring within fume hoods).

2. Final connection to service lines of all plumbing, service and electrical fixtures attached to laboratory casework or fume hoods.

1.3 REFERENCES

A. SEFA 1 - Latest Edition: Laboratory Fume Hoods – Design, Materials, Use and Testing Guide-lines Science Equipment and Furniture Association (SEFA)

B. ISO 9001:2015 – Quality Management International Standards Organization (ISO)

C. ADA (ATBCB ADAAG) Americans with Disabilities Act Accessibility Guidelines Americans with Disabilities Act (ADA)

D. ANSI/ASHRAE 110, 2016 Methods of Testing Performance of Laboratory Fume Hoods

LABORATORY FUME HOODS 115313 - 2

E. UL1805 Standard for Laboratory Hoods and Cabinets

F. ASTM E84 Surface Burning Characteristics of Building Materials

1.4 SUBMITTALS

Refer to Section 01 33 00, “Submittal Procedures,” for requirements, procedures, etc.

A. Product Data:

Drawings shall include data and details for construction of the laboratory fume hoods as well as information regarding the name, quantity, type and construction of materials (such as hardware, gauges, etc), that will be used to complete the project.

B. Shop Drawings:

1. The laboratory casework manufacturer shall furnish shop drawings illustrating the layout and placement of all laboratory casework and fume hoods as well as any products included in this section.

2. Indicate the type and location of all service fittings and associated supply connections.

3. Preparation instructions and recommendations.

4. Storage and handling requirements and recommendations.

5. Installation methods.

C. Selection Samples:

Submit one complete set of color chips representing the manufacturer’s full range of available colors. Minimum sample size 2-1/2 inches by 2-1/2 inches (63.5mm x 63.5 mm).

D. Quality Assurance/Control

1. Design Data/Test Reports: Manufacturer shall submit test data and design criteria which are in compliance with the project specifications.

2. Performance: Fume Hoods, “Pro” model, shall be designed to meet or exceed the American

Standard for Laboratory Ventilation and the American Industrial Hygiene Association stand-ard as described in ANSI/AIHA Z9.5. This standard of performance shall be verified through factory testing in accordance with the established protocol as set out by the ANSI/ASHRAE

110 standard.

3. Certificates: All certifications required in the specifications shall be submitted with the origi-nal submittal package under separate cover. Certificates must be provided with the signature of a qualified individual of the supplier.

4. Manufacturers’ Instructions: Provide manufacturer’s instructions for installation and mainte-nance of all products provided and installed within this section.

1.5 QUALITY ASSURANCE

A. Manufacturer Qualifications:

LABORATORY FUME HOODS 115313 - 3

1. The following list of information will be provide to the Architect at least ten (10) days prior to the bid opening:

2. List of manufacturing facilities.

3. ISO 9001 Registered Quality Management System

4. Manufacturer of fume hoods shall have the capability within their facility of performing fume hood tests based on the latest ANSI/ASHRAE Specification 110.

5. A list of ten (10) installations of comparable stature completed within the past 5 years.

6. Construction details depicting the materials, sizes and methods of construction.

1.6 DELIVERY, STORAGE AND HANDLING

A. Packaging, Shipping, Handling and Unloading

1. Packaging: Products shall have packaging adequate enough to protect finished surfaces from soiling or damage during shipping, delivery and installation.

2. Delivery: Fume hood delivery shall only take place after painting, utility rough-ins and relat-ed activities are completed that could otherwise damage, soil or deteriorate fume hoods in in-stallation areas.

3. Handling: Care, such as the use of proper moving equipment, experienced movers, etc., shall be used at all times to avoid damaging the fume hoods. Until installation takes place, any wrapping, insulation or other method of protection applied to products from the factory will be left in place to avoid accidental damage.

B. Acceptance at Site:

Fume hoods will not be delivered or installed until the conditions specified under Part 3, In-stallation section of this document have been met.

C. Storage:

Fume hoods shall be stored in the area of installation. If, prior to installation, it is necessary for the fume hoods to be temporarily stored in an area other than the installation area, the en-vironmental conditions shall meet the environmental requirements specified under the Project

Site Conditions article of this section.

D. Waste Management and Disposal:

The supplier of the laboratory fume hoods is responsible for removing any waste or refuse re-sulting from the installation of, or work pertaining to laboratory fume hoods; thereby leaving the project site clean and free of debris. Trash container(s) are to be provided by others.

1.7 PROJECT SITE CONDITIONS

A. Building must be enclosed (windows and doors sealed and weather-tight).

LABORATORY FUME HOODS 115313 - 4

B. An operational HVAC system that maintains temperature and humidity at occupancy levels must be in place.

C. Adjacent and related work shall be complete.

D. Ceiling, overhead ductwork and lighting must be installed.

E. Site must be free of any further construction such as “wet work”.

F. Required casework must be installed accurately and the project must be ready for fume hood in-stallation.

1.8 WARRANTY

A. Furnish a written warranty that Work performed under this Section shall remain free from defects as to materials and workmanship for a period of two (2) years from date of shipment. Defects in materials and workmanship that may develop within this time are to be replaced without cost or expense to the Owner.

Defects include, but are not limited to:

1. Ruptured, cracked, or stained coating

2. Discoloration or lack of finish integrity

3. Cracking or peeling of finish

4. Slippage, shift, or failure of attachment to wall, floor, or ceiling

5. Weld or structural failure

6. Warping or unloaded deflection of components

7. Failure of hardware

B. The warranty with respect to products of another manufacturer sold by Mott Manufacturing is limited to the warranty extended by that manufacturer to Mott Manufacturing.

PART 2 – PRODUCTS

2.1 MANUFACTURER

A. Acceptable Manufacturers:

1. Mott Manufacturing Ltd.; 452 Hardy Rd. Brantford, ON, Canada N3T 5L8.

Tel: (519) 752-7825 Fax: (519) 752-2895 Email: inquire@mott.ca, www.mott.ca.

Dealer: Spencer Vinoche, Inc. Jackie Johnson Email: jjohnson@sandvlabs.com Tel: (412)

522-0424

B. Substitutions:

Must meet all specification requirements and have prior approval.

mailto:inquire@ http://www.mott.ca/ mailto:jjohnson@sandvlabs.com

LABORATORY FUME HOODS 115313 - 5

C. Requests for substitutions:

All requests will be considered in accordance with provisions of Section 01 60 00.

2.2 FUME HOOD MATERIALS

A. Basic Materials

1. Exterior Panels Framing Members and Furring Panels: Cold rolled and levelled mild steel and shall conform to ASTM A1008/A1008M, finished as in Fume Hood Exterior Finish Section.

2. Screws: Interior fastening devices; stainless steel screws complete with corrosion resistant plastic caps.

3. By-Pass Grilles: 18 Ga (1.2mm) thick mild steel directionally louvered upward, finished same as exterior panels.

4. Lower Air Foil: Type 316-4 stainless steel 14 Ga (1.9mm).

5. Upper Front Panel: to be 18 Ga (1.2mm) thick mild steel, with louvered bypass grills, finished same as exterior panels.

6. Sash Pull: Type 316, 18 Ga (1.2mm) thick stainless steel with an AISI #4 satin finish.

7. Laminated Safety Glass: 6mm (1/4”) thick complying to ASTM C1172 standards.

8. Sprocket system for Sash Chain: Hardened sprockets with one full width shaft per sash run-ning in ball bearings.

9. Sash Guides: Track shall be corrosion resistant polyvinyl chloride (PVC).

10. Baffle Supports: PVC hexagonal rods shall be used on hoods with FRP liners. Other liner baffles will be supported with material matching the liner material.

11. Duct Stubs: Bell shaped Type 316, 18 Ga (1.2mm) stainless steel.

12. Light Switches: Light switches shall be black in color unless otherwise noted, commercial spec grade or higher and shall be UL and CSA approved.

13. Electrical Receptacles: Electrical receptacles shall be black in color unless otherwise noted, commercial spec grade or higher and shall be UL and CSA approved.

14. Cover Plates: Electrical cover plates shall be black in color unless otherwise noted, nylon and

UL and CSA approved.

B. Fume Hood Liner

1. FRP: Hood linings and baffles shall be fiberglass reinforced polyester thermoset resin of

3/16” (5mm) thickness. The fiberglass reinforced polyester panel shall have a minimum flex-ural strength of 15,000 psi (103,400 kPa), with a flame spread of 25 or less as per ASTM

#E84. Final appearance shall be smooth and white in color.

LABORATORY FUME HOODS 115313 - 6

C. Fume Hood Furring Panels

1. Where called for, provide matching furring panels to enclose the space between top edge of fume hoods and the finished ceiling. Furring panel shall include a hinged access panel for maintenance purposes.

2. Panels shall be flanged, notched and reinforced where required to form a well-fitted enclosure, free from oil canning. Secure panels using cadmium-plated, self-tapping screws; panels shall be removable for maintenance purposes.

3. Finish shall match fume hood to which it is connected.

2.3 BENCH FUME HOOD CONSTRUCTION

A. Fume hood superstructure shall be double wall construction consisting of an outer shell of sheet steel and an inner hood liner. Double wall shall house and conceal steel framing members, at-taching brackets and remote operating service fixture mechanisms. Overall double wall thick-ness: 4-3/4” (121mm) maximum.

B. Front double-wall posts shall be pre-punched to accept up to five plumbing fittings per side, two electrical duplex outlets, light switch and optional monitor alarm where indicated on drawings.

Electrical outlets and light switch shall be factory-wired and terminate at a junction box on roof of hood. All electrical components shall be UL listed/classified.

C. Exterior panel members shall be fastened by means of concealed devices. Exposed screws are not acceptable.

D. Provide access to remote-controlled fixture valves concealed between walls through removable panels on hood exterior and access panels on both inside liner walls. Assemble hood superstruc-ture, fasten and connect inner and outer frame into a rigid self supporting entity.

E. LED Light Fixture: Light located in the roof of the hood shall include a LED module and driver combination and provide 5900 lumens with a color temperature of 4000k with a nominal width of

22”. One light on each hood up to 6 feet wide and two lights on each hood 8 feet wide shall be provided. Light(s) shall be isolated from the fume chamber by 6mm (0.236”) thick safety glass sealed to the liner using a chemically resistant adhesive. Average interior illumination levels within the fume chamber shall be 80 foot candles minimum. Efficiency of light shall be 120 lu-mens per watt, and life expectancy of 50,000 hours.

F. Vertical Rising Sash: Fume hood sash shall be full view vertical type providing a clear and unob-structed side to side view of fume hood interior. Sash shall slide vertically in extruded polyvinyl chloride guide. Bottom and side sash rails shall be 18 Ga (1.2mm) stainless steel. Safety glass shall be set into rails with PVC glazing channel.

G. Bottom handle shall be an integral, formed, full width, flush pull and shall be anchored on each side to counter weight system.

H. A counter balance system using a single weight, sprockets, and chain shall be used for each verti-cal operation of sash and prevent jamming to permit one finger operation at any point along full width sash pull and to maintain sash at any position without creep.

LABORATORY FUME HOODS 115313 - 7

I. Sash shall be capable of opening to 28.5” above the lower air foil.

J. Sash system shall be designed to prevent sash drop in the event of counterweight failure. Sash shall open and close against rubber bumper stops.

K. Self-Lowering Sash: A mechanism shall be provided which automatically lowers the sash to the chosen working height (height shall be specified at time of order). A latch shall be provided to hold the sash fully open for setup/teardown of experiments. Below the chosen working height, the sash shall be neutrally balanced and function as a conventional sash.

L. Hood shall be constant volume type with a built-in automatic compensating by-pass to maintain constant exhaust volume regardless of sash position. By-pass shall be positive in action and con-trolled by louvered panel in the area immediately above the top portion of the sash when closed.

As the sash is lowered, the by-pass design limits the increase in face velocity to a maximum of 4-

1/2 times average face velocity as measured with the sash fully open.

M. Perimeter of sash opening shall have a lower air foil and streamlined shape side and top with an-gled opening toward hood interior. Air shall enter under the bottom horizontal foil through a nominal 1” (25mm) by-pass when the sash is in the closed position. Bottom foil shall be remova-ble without the use of special tools. Sash shall close on air foil.

N. Three-piece fixed baffles shall provide controlled air vectors into and through the fume hood and be fabricated of the same material as the liner. Provide exhaust slots on the full perimeter of baf-fles.

O. For safety, fume hood shall maintain essentially constant exhaust volume at any baffle position.

Changes in average face velocity and exhaust volume as a result of baffle adjustment shall not exceed 5% for any baffle position at the specified face velocity.

P. Design fume hoods to minimize static pressure loss with adequate slot area around the baffle and the bell shaped exhaust collar configuration. Measured average static pressure loss reading taken three diameters above the hood outlet from four points, 90o apart, shall not exceed the following values based on 60” (1524mm) wide hood:

Face Velocity Measured Static Pressure Loss

80 F.P.M. (0.38 m/s) 0.15” (37.3 Pa)

100 F.P.M. (0.51 m/s) 0.20” (49.8 Pa)

Q. Electrical duplex outlets shown mounted on the face of fume hoods shall be GFCI type and in-stalled in front posts and pre-wired to a junction box mounted on top of fume hood superstruc-ture. Electrical devices shall be UL classified/listed.

2.4 FLOOR MOUNTED FUME HOOD CONSTRUCTION

A. Fume hood superstructure shall be double wall construction consisting of an outer shell of sheet steel and an inner hood liner. Double wall shall house and conceal steel framing members, at-

LABORATORY FUME HOODS 115313 - 8

taching brackets and remote operating service fixture mechanisms. Overall double wall thick-ness: 4-3/4” (121mm) maximum.

B. Dual Vertical Sashes: Fume hood sashes shall consist of two full view type sashes providing a clear and unobstructed side to side view of fume hood interior. Sashes shall slide vertically in ex-truded polyvinyl chloride guide. A nominal 1” (25mm) gap shall be provided between lower sash and floor to maintain airflow through bottom of hood chamber when sash is fully closed. Normal operation shall be with only one sash open. Both sashes shall be opened for set-up and teardown only.

2.5 FUME HOOD EXTERIOR FINISH

A. Coating Performance data is available in Appendix 1

2.6 AIR FLOW MONITOR / ALARM

A. TEL AFA 1001 Mk3 digital airflow alarm or equivalent shall be provided.

PART 3 – EXECUTION

3.1 INSTALLATION

A. In addition to requirements of Section 11 53 13, install fume hoods in positions shown, align and set level with levelling devices.

B. Work in close cooperation with allied trades installing ductwork, wiring and other services.

C. Apply small bead of sealant to junction of fume hood counter top and adjacent hood liner.

D. Turn over to Mechanical Trades, service fitting remote control rods and valves for installation to fume hood superstructure and service lines.

END OF SECTION 115313

B1

B

DHW

1/2"

1/2"

NG

CA

1"

CO

DCW

DHW

DHR

D C

W D

H W

1/2" 1/2"

AW

1/2"

DCW

DRAWN BY: DATE: PROJECT NO.:

SHEET NUMBER:PROJECT NAME:

DRAWING

NAME:

It is a violation of New York Education Law Art. 145 Sec. 7209 & Art. 147 Sec. 7307, for any person, unless acting under the direction of a licensed architect, professional engineer, or land surveyor, to alter an item in any way. If an item bearing the seal of an architect, engineer, or land surveyor is altered; the altering architect, engineer, or land surveyor shall affix to the item their seal and notation "altered by" followed by their signature and date of such alteration, and a specific description of the alteration.

RENOVATE CLASSROOMS CCS BAIRD

01 AT UNIVERSITY AT BUFFALO

REFERENCE SHEET:

ADDENDUM NO.

07/31/2026

ADDENDUM #1

REB 2231997.06

PSK-1

SECOND FLOOR PLAN - PLUMBING

1/8" = 1'-0"PSK-1

1 SECOND FLOOR PLAN - PLUMBING

P101 DRAWING NOTES:

1 1/2" DOMESTIC COLD WATER, 1/2" DOMESTIC HOT WATER, 1-1/2" ACID WASTE, 1/2"

NATURAL GAS AND 1/2" COMPRESSED AIR PIPING TO SERVE LABORATORY SINK (SK)

ABOVE. DIVISION 22 SHALL COORDINATE PIPING ROUTING WITH EXISTING STRUCTURAL

CONSTRUCTION. REFER TO DRAWING 1/P102 FOR CONTINUATION OF PIPING.

1" NATURAL GAS UP TO EMERGENCY SHUT-OFF VALVE ON THE FLOOR ABOVE AND DOWN.

REFER TO 1/P102 FOR CONTINUATION OF PIPING.

1/2" COMPRESSED AIR UP TO SHUT-OFF VALVE ON THE FLOOR ABOVE AND DOWN. REFER

TO 1/P102 FOR CONTINUATION OF PIPING.

PLUMBING CONTRACTOR SHALL PROVIDE ACID WASTE CONNECTION TO EXISTING PIPING

AS INDICATED.

1/2" DOMESTIC COLD WATER, 1/2" DOMESTIC HOT WATER AND 1-1/2" ACID WASTE PIPING

SERVING EMERGENCY EYEWASH/SHOWER ABOVE. REFER TO 1/P102 FOR CONTINUATION

OF PIPING.

1/2" DOMESTIC COLD WATER, 1/2" DOMESTIC HOT WATER AND 1-1/2" SANITARY TO SERVE

FUTURE FIXTURE ABOVE. REFER TO 1/P102 FOR CONTINUATION OF PIPING.

3" ACID WASTE WITH P-TRAP SERVING FLOOR DRAIN ABOVE. DIVISION 22 CONTRACTOR

SHALL PROVIDE 1/2" DOMESTIC COLD WATER CONNECTION TO SERVE TRAP PRIMER.

REFER TO DETAIL 2/P501 FOR FURTHER INFORMATION.

DIVISION 22 CONTRACTOR SHALL PROVIDE TRAP PRIMER VALVE AS SPECIFIED. REFER TO

DETAIL 5/P501 FOR FURTHER INFORMATION.

1/2" DOMESTIC COLD WATER, 1/2" DOMESTIC HOT WATER AND 1 1/2" ACID WASTE PIPING

TO SERVING SINK ABOVE.

P101 pfd2 Text Box

ADDENDUM #3

B

EEW-A 5

FD-A

1 1/2"

AV

AV

DRAWN BY: DATE: PROJECT NO.:

SHEET NUMBER:PROJECT NAME:

DRAWING

NAME:

It is a violation of New York Education Law Art. 145 Sec. 7209 & Art. 147 Sec. 7307, for any person, unless acting under the direction of a licensed architect, professional engineer, or land surveyor, to alter an item in any way. If an item bearing the seal of an architect, engineer, or land surveyor is altered; the altering architect, engineer, or land surveyor shall affix to the item their seal and notation "altered by" followed by their signature and date of such alteration, and a specific description of the alteration.

RENOVATE CLASSROOMS CCS BAIRD

01 AT UNIVERSITY AT BUFFALO

REFERENCE SHEET:

ADDENDUM NO.

07/31/2026

ADDENDUM #1

REB 2231997.06

PSK-2

THIRD FLOOR PLAN - PLUMBING

1/8" = 1'-0"PSK-2

1 THIRD FLOOR PLAN - PLUMBING

P102 DRAWING NOTES:

1 DIVISION 22 SHALL PROVIDE ELECTRONIC EMERGENCY NATURAL GAS SHUT-OFF VALVE AND

ASSOCIATED TRIM AS SPECIFIED. COORDINATE WITH DIVISION 26 FOR ALL ELECTRICAL

REQUIREMENTS.

DIVISION 22 SHALL PROVIDE EMERGENCY COMPRESSED AIR SHUT-OFF VALVE AND

ASSOCIATED TRIM AS SPECIFIED.

DIVISION 22 SHALL PROVIDE LABORATORY SINK (SK) AS SPECIFIED ALONG WITH 1/2"

DOMESTIC COLD WATER, 1/2" DOMESTIC HOT WATER, 1/2" NATURAL GAS, 1/2"

COMPRESSED AIR, 1-1/2" ACID WASTE AND 1-1/2" ACID VENT CONNECTIONS AS REQUIRED.

PROVIDE ACID VENT CONNECTION TO EXISTING PIPING AS INDICATED.

PROVIDE EMERGENCY EYEWASH/SHOWER AS SPECIFIED ALONG WITH MIXING VALVE AS

REQUIRED. REFER TO DETAIL 6/P501 FOR FURTHER INFORMATION.

DIVISION 22 CONTRACTOR SHALL PROVIDE 1/2" COLD WATER, 1/2" HOT WATER, 1 1/2"

SANITARY AND 1 1/2" VENT TO SERVE FUME HOOD. COORDINATE FINAL CONNECTION AND

LOCATIONS WITH DIVISION 23 AND ARCHITECTURAL DRAWINGS.

DIVISION 22 SHALL PROVIDE LABORATORY SINK (SK) AS SPECIFIED ALONG WITH 1/2"

DOMESTIC COLD WATER, 1/2" DOMESTIC HOT WATER, 1-1/2" ACID WASTE AND 1-1/2" ACID

VENT CONNECTIONS AS REQUIRED.

2" VENT FROM WITHIN WALL BELOW WINDOWS UP TO THIRD FLOOR CEILING ELEVATION.

P102 pfd2 Text Box

ADDENDUM #3